README.md fixed and test-results

README.md

@@ -10,9 +10,11 @@ video and ImGui rendering; and
 [`go-mxl`](https://github.com/qvest-digital/go-mxl) for MXL access.
 
 > [!IMPORTANT]
-> This project is under active development. Linux is the currently tested
+> This project is under active development. Source builds have been verified
-> platform. macOS support through Vulkan/MoltenVK is being tested. Packaging,
+> on current Ubuntu and Fedora environments, and the player has also been
-> stable releases, and MXL Fabrics support are planned.
+> tested on a separate Ubuntu machine. macOS builds are in progress; native
+> playback testing and packaging are still pending. Stable releases and MXL
+> Fabrics support are planned.
 
 ## Features
 
@@ -58,6 +60,18 @@ nm -D /path/to/libmxl.so | grep mxlCreateFlowSynchronizationGroup
 
 ## Building on Linux
 
+Verified source-build environments:
+
+| Environment | Result | Required distribution packages |
+|---|---|---|
+| Ubuntu (`ubuntu:latest`, Distrobox) | Build successful | `golang`, `libsdl3-dev`, `spdlog-dev` |
+| Fedora (`fedora:latest`, Distrobox) | Build successful | `golang`, `SDL3-devel`, `spdlog-devel`, `g++` |
+| Ubuntu, separate physical machine | Build and player testing completed | SDL3, compiler toolchain, and a compatible libmxl installation |
+
+These checks used an existing shared libmxl installation with
+`PKG_CONFIG_PATH` pointing to a valid `libmxl.pc`. Package names can differ
+between distribution releases.
+
 First verify that pkg-config resolves the intended MXL installation:
 
 ```sh
@@ -99,7 +113,8 @@ The SDL3 and Vulkan loaders contain macOS library-name support. The Vulkan
 dependency is temporarily replaced by a portability fork while the upstream
 change is reviewed.
 
-A macOS source build currently requires:
+A macOS source build has succeeded on real Apple hardware and currently
+requires:
 
 - Xcode Command Line Tools;
 - Go;
@@ -114,8 +129,16 @@ export SDL3_LIBRARY=/absolute/path/to/libSDL3.dylib
 export VULKAN_LIBRARY=/absolute/path/to/libvulkan.dylib
 ```
 
-These variables should not be necessary once the libraries are installed in a
+The resulting executable may currently need an additional libmxl runtime search
-normal dynamic-loader path. A self-contained `.app` bundle is planned but does
+path, for example:
+
+```sh
+install_name_tool -add_rpath /absolute/path/to/mxl/lib build/mxl-player
+```
+
+These workarounds should not be necessary once the libraries are installed in
+a normal dynamic-loader path. Native playback testing is still pending. A
+self-contained `.app` bundle and downloadable GitHub release are planned but do
 not exist yet.
 
 ## Running
@@ -429,7 +452,8 @@ local MXL flow; it will not be implemented as a separate playback backend. See
 
 ## Known limitations
 
-- Linux is the only platform currently exercised regularly.
+- Linux builds have been verified on Ubuntu and Fedora; broader runtime and
+  hardware coverage is still limited.
 - macOS/MoltenVK support is not yet release-tested.
 - Windows support is not currently claimed.
 - GPU selection and verbose logging flags are incomplete.

cmd/mxl-player/main.go

@@ -23,7 +23,7 @@ import (
 
 const (
 	APP_NAME         = "MXL Player"
-	APP_VER          = "0.3.0"
+	APP_VER          = "0.1.0"
 	WIN_WIDTH  int32 = 1280
 	WIN_HEIGHT int32 = 720
 )

test-notes.txt

@@ -0,0 +1,24 @@
+03.09.26
+
+## Distrobox ubuntu:latest
+0) check that libmxl installed, PKG_CONFIG_PATH leads to valid libmxl.pc
+1) git clone repo
+2) install golang libsdl3-dev spdlog-dev (for some reasons sdplog required in libmxl.pc)
+3) cd go-mxl-player
+4) go build -o ./build/mxl-player ./cmd/mxl-player/
+
+## Distrobox fedora:latest
+0) check that libmxl installed, PKG_CONFIG_PATH leads to valid libmxl.pc
+1) git clone repo
+2) dnf install golang SDL3-devel spdlog-devel g++
+3) cd go-mxl-player
+4) go build -o ./build/mxl-player ./cmd/mxl-player/
+
+## MacOS test. Real hardware
+
+0) check libmxl installed
+1) git clone repo
+2)
+3) cd go-mxl-player
+4) go build -o ./build/mxl-player ./cmd/mxl-player
+5) install_name_tool -add_rpath $PATH_TO_MXL_LIB ./build/mxl-player